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Author: I. G. Droppo Publisher: ISBN: Category : Flocculation Languages : en Pages : 0
Book Description
Fine-grained sediment flocculation is a phenomenon which is not fully understood in the freshwater fluvial environment. This study examined the suspended sediment characteristics of a southern Ontario river in order to determine the nature of flocculated suspended sediment and the factors which may influence it. It is the first research to quantify flocculation as the primary mode of transport for fine-grained mineral sediment in a river. As flocculation is known to alter the settling characteristics of particles, and potentially their ability to transport contaminants, there are important practical environmental consequences for flocculation in rivers.
Author: I. G. Droppo Publisher: ISBN: Category : Flocculation Languages : en Pages : 0
Book Description
Fine-grained sediment flocculation is a phenomenon which is not fully understood in the freshwater fluvial environment. This study examined the suspended sediment characteristics of a southern Ontario river in order to determine the nature of flocculated suspended sediment and the factors which may influence it. It is the first research to quantify flocculation as the primary mode of transport for fine-grained mineral sediment in a river. As flocculation is known to alter the settling characteristics of particles, and potentially their ability to transport contaminants, there are important practical environmental consequences for flocculation in rivers.
Author: Publisher: ISBN: Category : Languages : en Pages : 17
Book Description
Fine-grained sediment flocculation is a phenomenon which is not fully understood in the freshwater fluvial environment. This study examined the suspended sediment characteristics of a southern Ontario river in order to determine the nature of flocculated suspended sediment and the factors which may influence it. It is the first research to quantify flocculation as the primary mode of transport for fine-grained mineral sediment in a river. As flocculation is known to alter the settling characteristics of particles, and potentially their ability to transport contaminants, there are important practical environmental consequences for flocculation in rivers.
Author: Publisher: ISBN: Category : Languages : en Pages : 32
Book Description
To improve the understanding of the significance of flocculation in the fluvial environment, suspended particle characteristics of Oakville Sixteen-Mile Creek were studied to develop a non-destructive, direct observation method for determining floc characteristics such as equivalent spherical diameter, surface area, perimeter, and circularity; to determine the extent to which flocculation is present in the freshwater fluvial system; to determine the stability of flocs; and to establish the advantages and disadvantages of the sampling and analytical method. The method used involved collecting a water sample into a settling chamber where the suspended solids settle under gravity onto an inverted microscope slide. The slide is then placed on an inverted microscope and photographs of the flocs are taken through the microscope. The transparencies are rear- projected onto a translucent digitizer to obtain digital output.
Author: I. G. Droppo Publisher: ISBN: Category : Flocculation Languages : en Pages : 0
Book Description
The phenomenon of fine-grained sediment flocculation is well recognized in the marine and estuarine environments but flocculation in freshwater fluvial systems requires further examination. Because flocculation is known to affect sediment settling velocities, this phenomenon has important environmental implications from a sediment and contaminant transport perspective. The suspended sediment characteristics of Oakville Sixteen-Mile Creek in southern Ontario were examined using a new digitizing method developed for the study. The study examined whether flocculation was present in the freshwater fluvial system; how stable the flocs within the realms of the sampling and analytical method were; and whether flocculation was influenced by temporal and spatial trends for the independent variables of temperature, pH, conductivity, suspended solid concentrations, discharge (turbulence), bacterial densities associated with suspended solids, particulate organic carbon, and major ions.
Author: Wilbert Lick Publisher: CRC Press ISBN: 1420059882 Category : Science Languages : en Pages : 416
Book Description
Contaminated bottom sediments and their negative impacts on water quality are a major problem in surface waters throughout the United States as well as in many other parts of the world. Even after elimination of the primary contaminant sources, these bottom sediments will be a main source of contaminants for many years to come. In order to determin
Author: W.A. Chiou Publisher: Springer Science & Business Media ISBN: 1461244285 Category : Science Languages : en Pages : 570
Book Description
Knowledge of basic clay microstructure is fundamental to an understanding of the physical, chemical, and mechanical properties of fine-grained sediments and rocks. This compilation of fifty-nine peer-reviewed papers examines clay microstructure in detail with comprehensive sections focusing on microstructure signatures, environmental processes, modeling, measurement techniques, and future research recommendations. Many of these topics are discussed in light of geological and engineering applications, such as hazardous waste disposal, construction techniques, and drilling programs. The field of clay microstructure is developing rapidly. The concepts, observations, and principles presented in this book will help stimulate new thought and be a "spring board" for exciting new research.
Author: William H. McAnally Publisher: Gulf Professional Publishing ISBN: 9780444504630 Category : Medical Languages : en Pages : 546
Book Description
Hardbound. The INTERCOH series of conferences bring together the world's leading researchers and practitioners in cohesive sediment transport processes to share recent insights. This book presents papers that examine the spectrum of fine sediment transport related science and engineering, including the basics and applications of flocculation, settling, deposition, and erosion, advanced numerical models used in engineering practice, and applications to mud flats and harbor siltation.
Author: Doeke Eisma Publisher: Springer Science & Business Media ISBN: 3642777228 Category : Science Languages : en Pages : 337
Book Description
The purpose of this book is to give an introduction to the most important aspects of suspended matter in the aquatic environment: its origin and composition, the concentration distribution, transport and deposition, and the most important physical-chemical-bio logical process that affects suspended matter: flocculation. In Chap ter 1 the development of suspended matter observation and study throughout history is given, with the coming of a more modern approach during the 19th century and the first half of the 20th century, and the development of the present science of suspended matter after 1945. The sources of suspended matter in rivers, lakes, estuaries, and the sea are discussed in Chapter 2, which includes the supply of detrital particles as well as the formation of new particles in the water (organic matter, carbonate, opal). The concentration distribution of suspended matter in rivers, lakes, estuaries, tidal is discussed in Chapter 3, to which is areas, lagoons, and in the sea added a discussion on the sampling of suspended matter and on methods to determine its concentration. Particle composition is treated in Chapter 4, to which is added a section (4. 6) on the compositional analysis of suspended particles. Also included is a discussion on particle surface characteristics and the adsorption of elements and compounds onto particles.
Author: Thomas Bianchi Publisher: Cambridge University Press ISBN: 1107022576 Category : Science Languages : en Pages : 673
Book Description
A comprehensive, state-of-the-art synthesis of biogeochemical dynamics and the impact of human alterations at major river-coastal interfaces for advanced students and researchers.
Author: I. G. Droppo
Author: I. G. Droppo
Author: 
Author: 
Author: I. G. Droppo
Author: Wilbert Lick
Author: W.A. Chiou
Author: William H. McAnally
Author: Iain Thomas MacDonald
Author: Doeke Eisma
Author: Thomas Bianchi